From: Matthias Andree <matthias.andree@stud.uni-dortmund.de>
To: lkml <linux-kernel@vger.kernel.org>
Subject: Re: disk throughput
Date: Tue, 6 Nov 2001 00:41:18 +0100 [thread overview]
Message-ID: <20011106004118.C25602@emma1.emma.line.org> (raw)
In-Reply-To: <3BE5F5BF.7A249BDF@zip.com.au>, <3BE5F5BF.7A249BDF@zip.com.au> <20011105132346.B5805@emma1.emma.line.org> <3BE71529.F781EF2A@zip.com.au>
In-Reply-To: <3BE71529.F781EF2A@zip.com.au>
On Mon, 05 Nov 2001, Andrew Morton wrote:
> write-behind is enabled. I'm not religious about write-behind.
> Yes, there's a small chance that the disk will decide to write a
> commit block in front of the data (which is at lower LBAs). But
Well, you're talking about performance here. In my simple tests, the
write cache has a major impact (twofold) on linear writes (just dd to
a partition), so your milage may vary a lot depending on the cache
configuration.
prev parent reply other threads:[~2001-11-05 23:41 UTC|newest]
Thread overview: 78+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-11-05 2:13 disk throughput Andrew Morton
2001-11-05 3:20 ` Mohammad A. Haque
2001-11-05 3:31 ` Andrew Morton
2001-11-05 3:32 ` [Ext2-devel] " Mike Fedyk
2001-11-05 3:45 ` Andrew Morton
2001-11-05 4:39 ` Mike Fedyk
2001-11-05 7:06 ` Jens Axboe
2001-11-05 7:14 ` Andrew Morton
2001-11-05 7:26 ` Jens Axboe
2001-11-05 7:14 ` Mike Fedyk
2001-11-05 7:18 ` Jens Axboe
2001-11-05 7:18 ` Jens Axboe
2001-11-05 9:14 ` Mike Fedyk
2001-11-05 9:20 ` Jens Axboe
2001-11-05 5:54 ` Albert D. Cahalan
2001-11-05 8:04 ` Andrew Morton
2001-11-05 12:28 ` Matthias Andree
2001-11-05 14:23 ` Alexander Viro
2001-11-05 22:22 ` Andrew Morton
2001-11-05 22:41 ` Andreas Dilger
2001-11-05 22:53 ` Andrew Morton
2001-11-08 15:28 ` Constantin Loizides
2001-11-05 23:14 ` Dan Hollis
2001-11-06 10:52 ` Daniel Phillips
2001-11-06 16:17 ` Jeremy Fitzhardinge
2001-11-08 15:24 ` Constantin Loizides
2001-11-08 16:46 ` Jeremy Fitzhardinge
2001-11-09 6:08 ` Andrew Morton
2001-11-09 8:49 ` Jeremy Fitzhardinge
2001-11-06 21:45 ` Stephen Tweedie
2001-11-05 20:16 ` Andreas Dilger
2001-11-05 20:28 ` m
2001-11-05 21:39 ` Andrew Morton
2001-11-05 22:59 ` Linus Torvalds
2001-11-05 23:36 ` Alexander Viro
2001-11-05 23:50 ` Linus Torvalds
2001-11-06 0:03 ` Linus Torvalds
2001-11-06 1:33 ` Alexander Viro
2001-11-06 2:10 ` Linus Torvalds
2001-11-06 3:02 ` Alexander Viro
2001-11-06 8:39 ` Alan Cox
2001-11-06 8:37 ` Alexander Viro
2001-11-06 8:48 ` Andrew Morton
2001-11-06 3:49 ` Alexander Viro
2001-11-06 4:01 ` Linus Torvalds
2001-11-06 4:21 ` Alexander Viro
2001-11-06 5:01 ` Linus Torvalds
2001-11-06 5:31 ` Andrew Morton
2001-11-06 5:48 ` Linus Torvalds
2001-11-06 7:34 ` Mike Castle
2001-11-06 7:10 ` Kai Henningsen
2001-11-09 22:35 ` Riley Williams
2001-11-06 1:28 ` Alexander Viro
2001-11-06 9:16 ` Wojtek Pilorz
2001-11-06 9:58 ` Alexander Viro
2001-11-08 12:51 ` Pavel Machek
2001-11-06 21:48 ` Stephen Tweedie
2001-11-06 23:17 ` ext2/ialloc.c cleanup Alexander Viro
2001-11-07 19:34 ` [Ext2-devel] " Andreas Dilger
2001-11-07 20:02 ` Alexander Viro
2001-11-08 2:06 ` Andrew Morton
2001-11-08 20:45 ` Andrew Morton
2001-11-08 22:16 ` Alexander Viro
2001-11-08 22:43 ` Andreas Dilger
2001-11-08 23:08 ` Alexander Viro
2001-11-09 6:15 ` Andrew Morton
2001-11-09 6:56 ` Andreas Dilger
2001-11-09 7:09 ` Andrew Morton
2001-11-09 7:12 ` Alexander Viro
2001-11-09 7:18 ` Andrew Morton
2001-11-05 9:45 ` [Ext2-devel] disk throughput Alex Bligh - linux-kernel
2001-11-05 9:58 ` Alex Bligh - linux-kernel
2001-11-05 8:47 ` Jan Kara
2001-11-05 8:50 ` [Ext2-devel] " Mike Fedyk
2001-11-05 9:01 ` Jan Kara
2001-11-05 12:23 ` Matthias Andree
2001-11-05 22:39 ` Andrew Morton
2001-11-05 23:41 ` Matthias Andree [this message]
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